1997 GMC SIERRA tires

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Page 387 of 436

GMC SIERRA 1997  Owners Manual Long Tripmighway  Maintenance Schedule -- Gasoline Engines I 
0 Vehicles  With  GVWR  Above 8,500 lbs. 
Only:  Inspect  shields and  underhood 
insulation  for damage or looseness.  Adjust 
or replace

Page 388 of 436

GMC SIERRA 1997  Owners Manual Long Tripmighway  Maintenance  Schedule -- Gasoline  Engines 1 
I 30,000 Miles (50 000 km) 
0 Change engine oil  and filter (or  every 
12  months,  whichever  occurs first). 
0 Lubricate chassis comp

Page 389 of 436

GMC SIERRA 1997  Owners Manual 1 Long  Trip/Highway  Maintenance  Schedule -- Gasoline  Engines 
37,500 Miles (62 500 km) 
0 Change engine oil and filter (or every 
12 months, whichever occurs first). 
An  Emission  Control Service

Page 390 of 436

GMC SIERRA 1997  Owners Manual I Long Tripkiighway  Maintenance  Schedule -- Gasoline  Engines I 
45,000 Miles (75  000 km) (Continued) 
I7 Vehicles  With GVWR Above 8,500 lbs. 
Only: Inspect  shields and  underhood 
insulation  fo

Page 391 of 436

GMC SIERRA 1997  Owners Manual I Long TripMighway  Maintenance  Schedule -- Gasoline  Engines 
- When doing frequent trailer towing. 
- Uses  such  as found in  taxi, police or 
delivery service. 
If you do not use your vehicle und

Page 392 of 436

GMC SIERRA 1997  Owners Manual I Long  Trip/Highway  Maintenance  Schedule -- Gasoline  Engines I - 
60,000 Miles (100 000 km) 
0 Change engine oil and filter (or  every 
12 months, whichever occurs first). 
An Emission Control Ser

Page 393 of 436

GMC SIERRA 1997  Owners Manual Long Tripmighway  Maintenance  Schedule -- Gasoline Engines I 
0 Conduct Exhaust  Gas Recirculation (EGR) 
system  inspection  as described 
in the 
service manual. 
An  Emission Corztrol Service. 
(S

Page 394 of 436

GMC SIERRA 1997  Owners Manual Long  Trip/Highway  Maintenance  Schedule -- Gasoline  Engines 
75,000 Miles (125 000 km) 
0 Change engine oil  and  filter (or  every 
12 months,  whichever  occurs  first). 
Cl Lubricate chassis com